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    "# Author:luoyu\n",
    "# 时间：0923-week4\n",
    "\n",
    "# 注释的意义：\n",
    "# 1. 可以记录我们的代码过程意义（一般循环、条件判断、函数、对象、类都要有自己的描述，对变量作描述）\n",
    "# 2. 可以忽略一部分代码，跳过该部分的代码\n",
    "\n",
    "# A. 单行注释： #\n",
    "# B. 多行注释： ''' 注释内容 ''' \"\"\" 注释内容 ”“”\n",
    "# C. 多行注释可以当做 str 赋值给变量 \"\"\"\n",
    "\n",
    "str的含义:\n",
    "Single quotes:'allows embedded\"double\"quotes'\n",
    "Double quotes:\"allows embedded 'single'quotes\".\n",
    "Triple quotes:'''Three single quotes''',\\\"\"\"Thre double quotes\\\"\"\"\"\"\"\n",
    "# c.通常可以打印时使用 或 在python中存储其他语言的代码"
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